Thomisidae  Sundevall, 1833 / Xysticus  C. L. Koch, 1835   106 species

Xysticus ninnii  Thorell, 1872

Description

Male palp with flat tegulum with small, blunt ridge. lateral tibial apophysis with almost parallel sides. Embolus with rough surface structure and widened to a small lancet-shaped leaflet. Epigyne bright, broad-oval with lateral slit-shaped opening, 1-2 short transverse folds. Vulva consisting of 2 sac-like, compact structures. Prosoma brown to dark brown, high-contrastingly patterned, with bright, broad, indented median band, variable. Sides with blackish spots. Sternum brown to sandy brown or beige. Female: cream to white, partly darker on margin. Chelicerae longish, brown to light brown, patterned beige, slightly spined frontally and provided with a longer spine (strongly spined in female). Legs unicoloured and inconspicuous, dorsally slightly darker. Female: with distinct white longitudinal stripes. Male: without longitudinal stripes. Opisthosoma with broad, white or cream margin, otherwise dark brown or black-brown with lancet- or oak leaf-shaped, cream, beige or brown folium, 5 sigilla.

Body length male: 4.2-5.2 mm
Body length female: 5.5-7.5 mm
Additional information

in dry meadows, forest steppes and rocky heathland of the mountains, up to 1800 m

Distribution
  Presence
  No data
Global distribution (WSC 2018): Europe, Turkey, Caucasus, Russia (Europe to South Siberia), Central Asia
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
References

Azheganova N S (1968) Kratkii opredelitel' paukov (Aranei) lesnoi i lesostepnoi zony SSSR. Akademia Nauk SSSR: 1-149

Blagoev G, Deltshev C, Lazarov S, Naumova M (2018) The spiders (Araneae) of Bulgaria. Version: August 2018. National Museum of Natural History, Bulgarian Academy of Sciences. Online at http://www.nmnhs.com/spiders-bulgaria/ (accessed on 10.9.2018)

Crome W (1965) Studien an Krabbenspinnen. Dt Ent Z 12: 421-441

Danışman T, Kunt K B, Özkütük R S (2018a) The checklist of the spiders of Turkey. Version 2017 [last updated 2 September 2018], online at http://www.spidersofturkey.info

Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin pdf

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org

Jantscher E (2001a) Revision der Krabbenspinnengattung Xysticus C.L. Koch, 1835 (Araneae, Thomisidae) in Zentraleuropa. Dissertation: 1-328 pdf

Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91 pdf

Mikhailov K G (2013) The spiders (Arachnida: Aranei) of Russia and adjacent countries: a non-annotated checklist. Arthropoda Selecta, Supplement 3: 1-262

Otto S (2017) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 08.2017. Internet: caucasus-spiders.info.

Pantini P, Isaia M (2017) Checklist of the Italian spiders (version May 2017). online at http://www.museoscienzebergamo.it/web/index.php?option=com_content&view=category&layout=blog&id=96&Itemid=94 pdf

Pesarini C (2000) Contributo alla conoscenza della fauna araneologica italiana (Araneae). Mem Soc Entomol Ital 78: 379-393

Roberts M J (1995) Spiders of Britain and Northern Europe. Collins Field Guide Bath

Thaler K (1981c) Bemerkenswerte Spinnenfunde in Nordtirol (Österreich) (Arachnida: Aranei). Veröff Mus Ferdinandeum 61: 105-150

World Spider Catalog (2018) World Spider Catalog, version 19.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (15.07.2018) doi: 10.24436/2

Updates
01-12-2013 Distribution update Old value